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# Long range wind

#15
03-08-2006, 09:59 AM
 Junior Member Join Date: Jan 2006 Posts: 18
Re: Long range wind

I haven't got a wind meter yet but the ones I have looked at say that you haveto have them facing directly into the wind to get an accurate reading. Would holding it parallel to your sight line give you the affective wind speed on you bullet. If this is the case than you wouldn't haveto calculate the affective wind drift, just use the affective wind value.
Example would be a 20m/h wind at 30 degrees gives an affective wind value of 10m/h according to the formulas I have tried.
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#16
03-08-2006, 10:47 AM
 Platinum Member Join Date: Dec 2005 Posts: 2,483
Re: Long range wind

I don't know of any wind meter that read correctly unless pointed directly into the wind. The way the wind flows around them plus what effect the holding hand may have could give a false reading.

Years ago when I got my first Dwyer meter, I thought it would read correct at any angle. A couple of simple tests showed me it didn't.
#17
03-08-2006, 08:55 PM
 Platinum Member Join Date: Jun 2007 Location: west of Little Rock ,Ark. Posts: 1,271
Re: Long range wind

This wind business is the heart of the matter . I have been trying to study the effects of wind on various trees , shrubs , grasses etc. Sometimes the wind is there but high up in the tops of the trees , with little effect down closer to the ground . But ...........when you are shooting way ou t there your bullet is going to get quite high and then be exposed to some of that wind even though it is not a low level wind.

In the foothills of the Ouachita mountains where I shoot mostly the terrain is topsy turvy. Slopes change quickly from right to left to the opposite in a few hundred yards. Studying the wind across a clear cut to a 800 yd. or so shot often provides a confusing amount of wind data . A lot of times I have to view and interpret alone as I have a very few " believers " that will spot for me .

My best wind doping day happened a few days ago . The rock ( an often abused target ) was at a known 800 yds( some days 801 , some days 799 ) using a Swaro 1500) A friend that is beginning to get into longrange shooting went to my lease to shoot his ladder twest that I had loaded up for him and on the way out of the lease we stopped at my " high hide " to shoot .

the wind was crazy , crows going to roost were hugging the terrain , using the ridges to their benefit and so on .

As I studied the wind between me and the rock I realized that it was not going to influence the bullet for 300 or so yards then was going to push right for a couple hundred then full value left for the last 300 or so yds . Broom sage is a great indicator and there was plenty of it twixt here and there . I was not shooting on level ground .

Bottom line is that I made a good guess and hit the rock first shot . My friend was duly impressed ( so was I [img]/ubbthreads/images/graemlins/cool.gif[/img] )

Thanks Bart B for your hard earned wind info , this is a thread that needs to be pinned . All here can come here and share their exp about Their dealings with our common enemy .

Jim B.
#18
03-08-2006, 09:09 PM
 Platinum Member Join Date: Jun 2003 Location: Hermiston, Oregon Posts: 2,023
Re: Long range wind

I'll be the first to say that I suck at judging wind. Very hard thing to do. takes years and years and years of practice and most of all, shooting in windy conditions. I tried to help myself by buying a brunton windmeter. Pretty cool little piece of equipment. At least it tells me how fast the winds going, from where my barrel is anyways. Truth is, I dont like shooting in the wind. If its more then about 10 mph, I dont even waste my shells. I probly should, since its invaluble practice. Shooting at game animals in the wind is not something I would do just yet if its more then about 10 mph. Just to risky and i'm not that good at guessing wind. I am getting better though however with my windmeter. My 1st shot hits are a lot closer then what they use to be, thats for dang sure.
#19
03-08-2006, 09:34 PM
 Platinum Member Join Date: Jun 2007 Location: west of Little Rock ,Ark. Posts: 1,271
Re: Long range wind

"Shooting at game animals in the wind is not something I would do just yet if its more then about 10 mph. Just to risky and i'm not that good at"

I hear you Remmy, and you are on track. Thing is you can go to the downwind side of game and shoot a spotter ( need a pard here ) and learn all you need to know to get on the " fur " spot

I am aware that a lot of us shoot solitary , but I have learned that there a lot of guys / pards out there that really would like to be a member of a team and they enjoy the outcome .

Jim B.
#20
03-08-2006, 09:50 PM
 Platinum Member Join Date: Jun 2003 Location: Hermiston, Oregon Posts: 2,023
Re: Long range wind

Usually I always have my dad or friend with me. They are my spotters. They dont mind. My friend just likes to go along to get out of his house. I hear ya on those spotter shots. Those are suppose to work from about 700-800 yards on out I think. If I was to shoot at something about 1000 yards, I think your suppose to pick a point that is relatively close in elevation, but just go either right or left 100 yards, shoot your shot, confirm where it was, what you need to do, then swing over to the animal and get your shot off quickyly as possible so that the conditions dont change on you. thats my understanding of the spotter shot on when shooting at game 1000 yards away or farther. Better then wounding your animal. At least you'll know exactly your windage and maybe make a click or two for elevation.
#21
03-10-2006, 05:50 AM
 Gold Member Join Date: Feb 2005 Location: Texas born and raised Posts: 752
Re: Long range wind

With all of the stuff I have done through the years that wind has an effect on, I personally have gotten fairly accurate at doping the wind. This is mostly due to paying specific attention to wether forcast, as well as in the field shooting.

In the past year I have extended my shooting to past the 400yd mark, which has put this knowledge to the test. I picked up a cheap wind meter, and have found that I am fairly accurate in my estimations, according to it anyway. This however, does not help one much, when you have not placed a bullet into a predicted area at a previously unknown or untested range. This, at least in my case, will require time behind the trigger as well as more time on the ballistic tables to get the accurate placement down to precision.
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